/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.heron.api.windowing;

public class DefaultEvictionContext implements EvictionContext {

  private static final long serialVersionUID = 7857989489355521603L;
  /**
   * Current timestamp
   */
  private final Long referenceTime;

  /**
   * Current event count in window
   */
  private final Long currentCount;

  /**
   * User set sliding window count
   */
  private final Long slidingCount;

  /**
   * User set sliding window interval
   */
  private final Long slidingInterval;

  public DefaultEvictionContext(Long referenceTime) {
    this(referenceTime, null);
  }

  public DefaultEvictionContext(Long referenceTime, Long currentCount) {
    this(referenceTime, currentCount, null);
  }

  public DefaultEvictionContext(Long referenceTime, Long currentCount, Long slidingCount) {
    this(referenceTime, currentCount, slidingCount, null);
  }

  public DefaultEvictionContext(Long referenceTime, Long currentCount, Long slidingCount, Long
      slidingInterval) {
    this.referenceTime = referenceTime;
    this.currentCount = currentCount;
    this.slidingCount = slidingCount;
    this.slidingInterval = slidingInterval;
  }

  @Override
  public Long getReferenceTime() {
    return referenceTime;
  }

  @Override
  public Long getCurrentCount() {
    return currentCount;
  }

  @Override
  public Long getSlidingCount() {
    return slidingCount;
  }

  @Override
  public Long getSlidingInterval() {
    return slidingInterval;
  }
}
